NPPES file of Aug 9, 2026

John Lembeck, M.D.

Family Medicine Physician · Conshohocken, PA

John Lembeck, M.D. is a family medicine physician with a practice address in Conshohocken, Pennsylvania, and NPI 1619312147, issued on May 10, 2013. Check the license (Pennsylvania MD455411, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1619312147
Name
John Lembeck
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD455411 PA
Self-reported in NPPES; status is on the state search
Practice location
1100 E Hector St, Conshohocken, PA 19428
Phone
(610) 828-2608
Enumerated
May 10, 2013
Record last updated
Aug 31, 2016 (not updated in 10 years: call before relying on the address or phone)
Fax
(610) 828-0102
Medicare enrollment
Enrolled (PECOS I20160608002030); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1100 E Hector St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Harry Frankel, M.D.Family Medicine Physician1477576122
  2. Kristie Nichols, MDFamily Medicine Physician1154483501

Verify John Lembeck in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD455411
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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19% fewer Medicare Part D claims than the average family medicine physician in 2024

2,866 Medicare Part D claims for 368 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 64 claims were for opioids.

  1. John Lembeck2,866
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium304 claims
  2. Amlodipine Besylate155 claims
  3. Lisinopril115 claims
  4. Rosuvastatin Calcium112 claims
  5. Levothyroxine Sodium101 claims
  6. Hydrochlorothiazide95 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Bills Medicare through one group practice

  1. Main Line HealthcareConshohocken, PA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

John Lembeck among 7,483 family medicine physician records in Pennsylvania

John Lembeck, M.D. is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 66% of them.

  • NPI issued2013 · 66% of these records are older, 31% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated2013 · median 2005 among the 4,529 with a school on file
  • Record last updated2016 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 family medicine physician records list a practice address in Conshohocken

They are 15 of the 331 NPPES records with a practice address in Conshohocken, and 7,483 family medicine physician records in Pennsylvania.

The 8 family medicine physician records with the nearest ZIP codes

  1. Sima Assefi, MDConshohocken, PA 194281417260027
  2. Judith Burgess, MDConshohocken, PA 194281861483125
  3. James Clarke, D.O.Conshohocken, PA 194281992746457
  4. Elizabeth Daly, M.D.Conshohocken, PA 194281073802252
  5. Howard Fein, D.O.Conshohocken, PA 194281760472187
  6. Harry Frankel, M.D.Conshohocken, PA 194281477576122
  7. Jeffrey HeebnerConshohocken, PA 194281699712968
  8. Ritamarie Mancini Clarke, DOConshohocken, PA 194281013921410

Common questions

What is John Lembeck, M.D.'s NPI number?

John Lembeck, M.D.'s National Provider Identifier (NPI) is 1619312147, issued on May 10, 2013. An NPI identifies a provider in billing; it is not a license.

Where is John Lembeck, M.D. located?

The NPPES record lists a practice address at 1100 E Hector St, Conshohocken, PA, 19428. Phone: (610) 828-2608. Providers update this record themselves, so call before visiting.

How can I verify John Lembeck, M.D.'s license?

NPPES lists Pennsylvania license number MD455411, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does John Lembeck, M.D. prescribe under Medicare Part D?

In 2024, John Lembeck, M.D. had 2,866 Medicare Part D claims for 368 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.